Well drilling system



Oc LZ S, 1958 v BQA. WISE ETAL 2,853,108

' WELL DRILLING SYSTEM File d April 22, 1953 29 Sheets-Sheet 1 Filed April 22, 1953 B. A. WISE ETAL WELL DRILLING SYSTEM 2 l .9 I, 4 Z l9 f l Q1 I8 I I3 2' z 22 7 l9 d l6 ll Fig.

29 Sheets-Sheet 2 B. A. WISE ETAL WELL DRILLING SYSTEM Oct. 28, 1958 29 Sheets-Sheet 3 Filed April 22, 1953 Y\ a O 2 Oct. 28, 1958 y B. A. WISE ETAL WELL DRILLING SYSTEM 29 Sheets-Sheet &

. Filed April 22, 1953 Oct. 28, 1958 BLA. WISE ETAL 2,858,108

' WELL DRILLING SYSTEM Filed April 22, 1953 29 Sheets-Shet 5 O 23, 1 B. A. WISE ETAL B. A. WISE ETAL WELL DRILLING SYSTEM Oct. 2 8, 1958 29 Sheets-Sheet 7 Filed April 22-, 1953 /'g./6 lv 24 Oct. 28, 1958 B. A. WISE ETAL 2,858,108

WELL DRILLING SYSTEM v Filed April 22, 1953 29 Sheets-Sheet &

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Oct. 28, 1958 B. A. WISE ETAL 2,858,108-

WELL DRILLING SYSTEM Filed April 22, 1953' I 29 Sheets-Sheet 9 I v Fi zl IOI I LL L Get. 28, 1958 B. A. WISE ETAL WELL DRILLING SYSTEM Filed April 22, 1953 29 Sheets-Sheet 10 Fig. 22

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FREQUENCY B. ALUWISE ETAL WELL DRILLING SYSTEM 29 Sheets-Sheet 11 'Filed April 22, 1953 BIAS CURRENT v wOmOm Oct. 28, 1958 B. AWISE ETAL 2,858,108

WELL DRILLING SYSTEM 29 Sheets-Sheet l\2 Filed April 22, 1955 Y o l- Oct. 28, 1958 B. A. WISE ETAL 2,858,108

WELL DRILLING SYSTEM Filed April 22, 1953 29 Sheets-Sheet 13 Zll BIAS CURRENT AMPLITUDE AMPLITUDE I B. A. WISE ET AL WELL DRILLING SYSTEM Oct. 28, 1958 2,858,108

Filed April 22, 1953 i u 8 8 I ifi Io I J T LU 2 I F 2 v a 2 v3980.8

30803 OIWVNAG )IVBdOLXVSd O u T g g l i E 2 5 3080a DI SPLAOEMENT 29 Sheets-Sheet 14 Oct; 28, 1958 B. A. WISE ET AL 2,858,108

WELL DRILLING SYSTEM 7 Filed April 22, 1953 29 Sheets-Sheet l6 v 258 Q A I Governor 259 '62 Prime Mover i I 115 1 I 5 2/53 259i 259 rphqse 7 control 252 D'etector mplifier,

255 I 254 23\ T Q 7 260 Amplifier Fig 4/ Oct. 28, 1958 v Filed April 22, 1953 PHASE ANGLE PHASE ANGLE B. AQWISE ETAL WELL DRILLING SYSTEM 29 Sheets-Sheet 17 Fig. 42

STRAIN FREQUENCY 7 Oct. 28, 1958 B. A. WISE ETAL 2,858,108

WELL DRILLING SYSTEM Filed April 22, 1953 29 Sheets-Sheet l8 B. A. wlsE ETAL WELL DRILLING SYSTEM Oct. 28, 1958 Filed April 22, 1953 Fig. 45

TIMER CYCLES 29 Sheets-Sheet 19 FREQUENCY 

